Head to head · Prices checked Oct 31, 2026

Epomaker LUMA100 vs Zuoya GMK21 Numpad

Get the Epomaker LUMA100 for sound dampening. Get the Zuoya GMK21 Numpad for knob and qmk.

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Sound dampening

Epomaker LUMA100

5.0 · 5 reviews

from$95at Epomaker

90-day lowLowest price in 90 days

Compare 2 stores

Knob

Zuoya GMK21 Numpad

No reviews

from$35at ktechs

Compare 2 stores

Quick verdict

Which one should you get?

Get the

Epomaker LUMA100

Sound dampening

Build quality in the top 25% of 96% boards under $100.

Rules this board out

Low-profile switches and keycaps only. Standard MX keycaps will not fit.
North-facing LEDs. Cherry-profile keycaps can hit the switch housing.
Compact full-size layout. The numpad is present, the gaps of a full-size board are not.

$95 at Epomaker

Get the

Zuoya GMK21 Numpad

Knob

Build quality in the top 10% of Numpad boards under $50.

Rules this board out

Numpad only. This is not a full keyboard.

$35 at ktechs

What actually differs

The differences that matter

Skip the 40-row spec sheet. These are the specs that change how each board feels, sounds, and fits your desk.

Epomaker LUMA100

Zuoya GMK21 Numpad

Layout size
96%
Numpad
Low profile
Yes
No
Knob
No
Yes
QMK
No
Yes
The deep option when you want to remap every key
Sound dampening
Yes
No

KeebFinder scores

How we score

Epomaker LUMA100
Zuoya GMK21 Numpad

Performance: 66
62
Build quality: 77
79
Productivity: 82
65
Customizability: 73
94
Portability: 54
65

What they share

Hot-swappable
VIA

See every spec side by side

Full specs

Epomaker LUMA100 vs Zuoya GMK21 Numpad specs

Every tracked spec, side by side. Rows marked with a dot differ between the boards.

8 of 23 specs differ

Spec

Epomaker LUMA100

Zuoya GMK21 Numpad

Typing & switches

Hot-swappable

Yes

Mount style

Gasket Mount

—

Low profile

Yes

Sound dampening

Yes

Layout

Layout size

96%

Numpad

Layout standard

ANSI

Ergonomics

Standard

Knob

Yes

Display

None

Connectivity & battery

Connection

Bluetooth, 2.4 GHz, Wired

—

Max polling rate

1,000 Hz

—

Battery

3,000 mAh

—

USB-C

Yes

Build & materials

Case material

Aluminum

—

Plate material

Polycarbonate

—

Keycaps

ABS

—

Weight

620 g

—

Dimensions

26 x 371 x 129 mm

—

Backlight

RGB, north-facing

RGB

Firmware & software

QMK

Yes

VIA

Yes

Mac & Windows

Yes

Extras

Released

2026

Where to buy

Compare prices

Live prices from the stores we track, cheapest in-stock offer first.

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Lowest price across stores, Amazon excluded.

Epomaker LUMA1002 stores